/Engine/Plugins/Experimental/JWT/Source/JWT/Public/JsonWebToken.h
Creates a JWT from the provided string. The string must consist of 3 base64 url encoded parts: a header, payload, and signature. The parts must be split by a period character. The signature part is optional. If the signature is excluded, the string must still contain a period character in its place. Valid formats: "header.payload.signature" and "header.payload."
An optional set with aFJsonWebTokenif the JWT was successfully decoded.
static [TOptional](API\Runtime\Core\IO\TOptional)< [FJsonWebToken](API\Plugins\JWT\FJsonWebToken) > FromString ( const FStringView InEncodedJsonWebToken )